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Torn ACL (Science project)

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cassandra desranleau

on 6 June 2013

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Transcript of Torn ACL (Science project)

By: Cassandra Desranleau Torn Anterior Cruciate Ligament Anterior Cruciate Ligament: The ACL, also known as the Anterior Cruciate Ligament, is the primary stabilizing ligament in the knee. It is attached to the femur and tibia, and moves as the knee does. It is located in the middle of the knee, and is meant to keep everything in place. Symptoms
Some early symptoms of this injury are, a "popping" sound at the time of injury, the knee swelling within 6 hours of the injury, redness, possible bruising on the skin, and pain especially when weight is put on the injured leg. Cause of Injury This is a 15 year old girl. During track practice she went to jump over a hurdle and didn't land correctly, causing her knee to twist, and her ACL to tear. Effect On Body
Muscular System: No strength in the knee and most of the leg.
Nervous System: The knee is extremely hard to move, lift, bend, or straighten. There is a throbbing pain in the muscle.
Integumentary System: There is redness, swelling, and bruising seen on the skin. Maintaining Homeostasis

"ACL Injury and ACL Recovery - ACL Knee Injuries." Aclrecoverynet RSS. N.p., n.d. Web. 12 Mar. 2013.

"ACL Tears." ACL Tears. N.p., n.d. Web. 12 Mar. 2013.

N.p., n.d. Web.

"What You Need To Know About ACL Tears." About.com Orthopedics. N.p., n.d. Web. 12 Mar. 2013.

"What You Need To Know About ACL Tears." About.com Orthopedics. N.p., n.d. Web. 12 Mar. 2013.

Images from Google. Work Cited Muscular System: Allows movement, support and heat throughout the body. It allows our body's to have the strength to move. Nervous System: Coordinates all the functions in the body, and allows us to feel pain so we can react. Integumentary System: Protects out body with temperature regulation and absorption. It works as an interconnected manner to maintain internal conditions essential to the function of the body. Stimulus: The open wound due to the ACL surgery. Receptors: The receptors sence the open wound Control Center: Brain. Detected by Sends signal to Effectors: Blood vessels. Causes Response: A blood clot forms , contracts, dries skin and forms a scab. The inflammation process begins, the blood supply increases, and substances of leukotoxin and histamine are released by injured cells to promote repair and regrowth of tissues. Effect: The open wound has healed and closed up, regrowth of tissues has started.
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